Job Title: Senior Network & Firewall Engineer (L3)
Location: Dubai
Experience
10+ years of hands-on experience in enterprise networking, security, deployment, migration, and troubleshooting.
Cisco CCIE Enterprise must
Job Summary
We are seeking an experienced L3 Network & Firewall Engineer responsible for designing, deploying, migrating, optimizing, and supporting enterprise network and security infrastructures. The ideal candidate should possess deep expertise in Cisco, Fortinet, Palo Alto, Huawei, and multi-vendor networking environments. The role requires leading complex implementation and migration projects while providing Level-3 technical support for mission-critical environments.
Key Responsibilities
- Design, implement, and maintain enterprise LAN, WAN, Data Center, and Campus network infrastructures.
- Deploy, configure, and troubleshoot Cisco, Huawei, Fortinet, and Palo Alto network and security solutions.
- Lead network transformation, refresh, migration, and greenfield deployment projects.
- Perform firewall policy creation, NAT configuration, VPN implementation, routing, and security hardening.
- Plan and execute network migration activities with minimal downtime.
- Configure and troubleshoot dynamic routing protocols including OSPF, BGP, EIGRP, and static routing.
- Implement high-availability solutions for firewalls and core network infrastructure.
- Manage Layer 2 and Layer 3 switching technologies including VLANs, STP, EtherChannel/LACP, VRRP/HSRP, and MLAG where applicable.
- Support SD-WAN, IPSec VPN, SSL VPN, Remote Access VPN, and site-to-site connectivity.
- Perform network performance analysis, capacity planning, and root cause analysis for complex incidents.
- Lead technical discussions with customers, vendors, and internal project teams.
- Create High-Level Design (HLD), Low-Level Design (LLD), Method of Procedure (MOP), rollback plans, and as-built documentation.
- Provide L3 operational support and mentor junior network engineers.
- Ensure network security compliance and adherence to organizational standards and best practices.
Required Technical Skills
Networking
- Cisco Routing & Switching
- Huawei Enterprise Switching
- Network monitoring and troubleshooting
Firewalls & Security
- Security Policies
- High Availability (HA)
- Security hardening and best practices
Deployment & Migration
- Zero/Minimal downtime migrations
Preferred Certifications
Soft Skills
- Excellent troubleshooting and analytical skills
- Ability to work under pressure during critical migrations
- Technical leadership and mentoring capabilities
- Strong documentation and presentation skills
- Ability to manage multiple projects simultaneously
Preferred Experience
- Cloud connectivity (AWS, Azure, OCI)
- Hybrid network environments
Reporting To: Network & Security Practice Manager / Infrastructure Manager